What does a bypass ratio of 11:1 mean?

What does a bypass ratio of 11:1 mean?

For every 1kg of air passing through the combustion chamber, 11kg of air pass bypass the combustion chamber.

What performance category was your last aircraft? How are airplanes classified?

What performance category was your last aircraft? How are airplanes classified?

Note: this question was asked to a candidate with previous Seneca experience, make sure to be able to answer this question for your previous aircraft type.

Seneca is class A.

Aircraft are classified according to their Vat.

Describe the take off segments.

Describe the take off segments.

1st segment starts at screen height and finishes at gear retracted.

2nd segment starts when the gear is retracted and finishes when acceleration alt is reached (min. 400ft max 1000ft) speed V2.

3rd segment starts at acceleration alt, minimum 400ft, and finishes when the flaps are retracted.

4th segment starts when the flaps are retracted, MCT is set and finishes at the 1500ft.

Why do you need contingency fuel?

Why do you need contingency fuel?

Contingency fuel is carried to account for additional enroute fuel consumption caused by wind, routing changes or ATM: ATM/CNS restrictions.

What is the maximum operating ceiling of a typical jet?

What is the maximum operating ceiling of a typical jet?

41.000ft

What’s the temperature at FL150 according to ISA?

What’s the temperature at FL150 according to ISA?

-15°C

because:

-2°C per 1000 feet gives -30°C.

ISA: 15°C at sea level - 30°C = -15°C at FL150

What is anhedral?

What is anhedral?

Downward inclination of a wing from the root to the tip.

Can you explain what a coastal breeze is?

Can you explain what a coastal breeze is?

A coastal breeze is a wind from the sea that develops over land near coasts.

It is formed by increasing temperature differences between the land and water; these create a pressure minimum over the land due to its relative warmth, and forces higher pressure, cooler air from the sea to move inland.

Generally, air temperature gets cooler relative to nearby locations as one moves closer to a large body of water.

What is CRM?

What is CRM?

Crew Resource Management (CRM) is the effective use of all available resources for flight crew personnel to assure a safe and efficient operation, reducing error, avoiding stress and increasing efficiency.

How does the all moving stabilator work on the Boeing 737 compared a fixed horizontal stabilizer of, for example, the Seneca?

How does the all moving stabilator work on the Boeing 737 compared a fixed horizontal stabilizer of, for example, the Seneca?

A moving stabilator allows for wider operating range of the control surface, which is of great importance in aircraft with a large range of operating speeds.

Compared to a fixed horizontal stabilizer, when trimmed, the moving stabilitor will produce less drag, reducing fuel consumption.

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